Prism centrifugal polishing clamp

Abstract

The utility model discloses a prism centrifugal polishing clamp which comprises a base, the upper surface of the base is fixedly connected with a supporting column, the top end of the supporting column is fixedly connected with a chuck, the outer surface, located below the chuck, of the supporting column is rotationally sleeved with a track disc, a clamping device is arranged above the track disc, and the clamping device comprises a worm gear, a worm and a clamping jaw assembly. The outer surface of the worm gear is meshed with the outer surface of the worm, the clamping jaw assemblies are arranged above the chuck, and the multiple clamping jaw assemblies are distributed in an annular array mode with the axis of the chuck as the array center. The prism centrifugal polishing fixture has the advantages of improving the production efficiency and ensuring the stability and precision in the clamping process, and solves the problem that the existing prism centrifugal polishing fixture is easy to shift or unstable in fixation in the prism clamping process.

Description

Technical Field

[0001] The utility model relates to the technical field of optical device production equipment, in particular to a prism centrifugal polishing fixture. Background Art

[0002] A prism is an optical element, usually made of transparent material, with a polygonal shape of at least two flat or curved surfaces. The main function of a prism is to separate and deflect light. It can decompose incident light into different wavelength components, thereby producing a dispersion phenomenon. According to the shape and structure of the prism, it can be divided into many types, such as triangular prism, quadrangular prism, and corner prism.

[0003] However, the existing prism centrifugal polishing fixture has the following problems in the process of clamping the prism:

[0004] During use, the prism may shift or become unstable, resulting in unsatisfactory polishing results. Utility Model Content

[0005] The utility model aims to provide a prism centrifugal polishing fixture to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a prism centrifugal polishing fixture, comprising a base, the upper surface of the base is fixedly connected to a support column, the top of the support column is fixedly connected to a chuck, the outer surface of the support column located below the chuck is rotatably sleeved with a track disk, a clamping device is arranged above the track disk, and the clamping device includes a worm wheel, a worm and a jaw assembly, the outer surface of the worm wheel is meshed with the outer surface of the worm, the jaw assembly is arranged above the chuck, and a plurality of the jaw assemblies are distributed in a circular array with the axis of the chuck as the array center, and a controller for controlling the clamping device is fixedly mounted on the upper surface of the base.

[0007] Preferably, the clamping device also includes a connecting plate fixedly mounted on the outer surface of the chuck, a threaded rod is rotatably sleeved on the outer surface of the connecting plate, and the worm gear is fixedly sleeved on one end of the threaded rod. Through the mutual cooperation of the connecting plate, the threaded rod and the worm gear, the threaded rod and the worm gear are installed and fixed.

[0008] Preferably, the upper and lower surfaces of the connecting plate are fixedly connected with symmetrically distributed bearing seats, and the two ends of the worm are rotatably sleeved with the inner walls of the two bearing seats respectively. A driving motor is fixedly installed on the upper surface of one of the bearing seats, and the forward and reverse movements of the driving motor are utilized to drive the clamping jaw assembly to clamp and release the prismatic processing parts to be polished.

[0009] Preferably, the output shaft of the driving motor is fixedly connected to one end of the worm through a coupling, and a mounting block is fixedly installed on the upper surface of the track disk by bolts. The inner wall of the mounting block is threadedly sleeved with the outer surface of the threaded rod. The driving motor converts electrical energy into mechanical energy, drives the worm and the worm wheel to engage with each other, and the rotation of the worm wheel drives the threaded rod connected to the inner wall of the worm wheel to rotate with the axis of the worm wheel as the center.

[0010] Preferably, the upper surface of the track disk is provided with track grooves distributed in a circular array, and the inner wall of the track groove is slidably sleeved with a guide rod, which is threadedly connected to the mounting block through the threaded rod, thereby driving the track disk to rotate clockwise with the axis of the chuck as the center, and driving the guide rod to slide in the track groove along the track of the track groove.

[0011] Preferably, the clamp assembly consists of a clamp block, a first universal clamp that is slidably connected to one side surface of the clamp block, a second universal clamp that is slidably connected to one side surface of the first universal clamp and is symmetrically distributed, a third universal clamp that is slidably connected to one side surface of the second universal clamp and is symmetrically distributed, and a fourth universal clamp that is slidably connected to one side surface of the third universal clamp and is symmetrically distributed.

[0012] Preferably, the lower surface of the clamp block is fixedly connected to the top end of the guide rod, and a buffer block and a pressure sensor are fixedly connected to one side surface of the fourth universal clamp, respectively, the buffer block is made of butyl rubber, and the upper surface of the buffer block is semicircular, the detection end of the pressure sensor passes through the buffer block and extends to one side surface of the buffer block, the outer surface of the clamp block is slidably connected to the inner wall of the slide groove of the chuck, and a pressure sensor is provided to realize real-time monitoring of the force value of the clamp assembly on the prism processing part to be polished. When the pressure sensor detects that the force value of the clamp assembly on the prism processing part to be polished reaches a preset value, the controller controls the drive motor to stop working, thereby completing the clamping of the prism processing part to be polished.

[0013] Compared with the prior art, the beneficial effect of the utility model is that the prism centrifugal polishing fixture, by providing a clamping device, can achieve a stable clamping effect on prism processing parts to be polished of different shapes, has the advantages of improving production efficiency and ensuring the stability and accuracy of the clamping process, and solves the problem that the existing prism centrifugal polishing fixture is prone to displacement or unstable fixation during the process of clamping the prism. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 A three-dimensional diagram of the guide rod structure of a prism centrifugal polishing fixture proposed by the utility model;

[0016] Figure 3This is a stereoscopic diagram of the overall structure of a clamping jaw assembly of a prism centrifugal polishing fixture proposed by the utility model.

[0017] In the figure: 1. base; 2. support column; 3. chuck; 4. worm gear; 41. connecting plate; 42. threaded rod; 43. bearing seat; 44. drive motor; 45. mounting block; 46. track groove; 47. guide rod; 48. buffer block; 49. pressure sensor; 5. worm; 6. jaw assembly; 61. clamp block; 62. first universal jaw; 63. second universal jaw; 64. third universal jaw; 65. fourth universal jaw; 7. controller; 8. track disk. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] See also Figure 1-Figure 3 The utility model provides a technical solution: a prism centrifugal polishing fixture, including a base 1, a support column 2 is fixedly connected to the upper surface of the base 1, a chuck 3 is fixedly connected to the top of the support column 2, a track disk 8 is rotatably sleeved on the outer surface of the support column 2 below the chuck 3, a clamping device is arranged above the track disk 8, and the clamping device includes a worm gear 4, a worm 5 and a clamping jaw assembly 6, the outer surface of the worm gear 4 is meshed with the outer surface of the worm 5, the clamping jaw assembly 6 is arranged above the chuck 3, and a plurality of clamping jaw assemblies 6 are distributed in a ring array with the axis of the chuck 3 as the array center, and a controller 7 for controlling the clamping device is fixedly installed on the upper surface of the base 1.

[0020] Furthermore, the clamping device also includes a connecting plate 41 fixedly mounted on the outer surface of the chuck 3, the outer surface of the connecting plate 41 is rotatably sleeved with a threaded rod 42, and the worm gear 4 is fixedly sleeved on one end of the threaded rod 42. Through the mutual cooperation of the connecting plate 41, the threaded rod 42 and the worm gear 4, the threaded rod 42 and the worm gear 4 are installed and fixed.

[0021] Furthermore, the upper and lower surfaces of the connecting plate 41 are fixedly connected with symmetrically distributed bearing seats 43, and the two ends of the worm 5 are rotatably sleeved with the inner walls of the two bearing seats 43 respectively. A driving motor 44 is fixedly installed on the upper surface of one of the bearing seats 43. The forward and reverse movements of the driving motor 44 are utilized to drive the clamping jaw assembly 6 to clamp and release the prism processing parts to be polished.

[0022] Furthermore, the output shaft of the driving motor 44 is fixedly connected to one end of the worm 5 through a coupling, and a mounting block 45 is fixedly installed on the upper surface of the track disk 8 by bolts. The inner wall of the mounting block 45 is threadedly sleeved with the outer surface of the threaded rod 42. The driving motor 44 converts electrical energy into mechanical energy, drives the worm 5 to engage with the worm wheel 4, and the rotation of the worm wheel 4 drives the threaded rod 42 connected to the inner wall of the worm wheel 4 to rotate around the axis of the worm wheel 4.

[0023] Furthermore, the upper surface of the track disk 8 is provided with track grooves 46 distributed in a circular array, and the inner wall of the track groove 46 is slidably sleeved with a guide rod 47, which is threadedly connected to the mounting block 45 through the threaded rod 42, driving the track disk 8 to rotate clockwise with the axis of the chuck 3 as the center, driving the guide rod 47 to slide in the track groove 46 along the track of the track groove 46.

[0024] Furthermore, the clamp assembly 6 consists of a clamp block 61, a first universal clamp 62 that is slidably connected to one side surface of the clamp block 61, a second universal clamp 63 that is slidably connected to one side surface of the first universal clamp 62 and is symmetrically distributed, a third universal clamp 64 that is slidably connected to one side surface of the second universal clamp 63 and is symmetrically distributed, and a fourth universal clamp 65 that is slidably connected to one side surface of the third universal clamp 64 and is symmetrically distributed.

[0025] Furthermore, the lower surface of the clamp block 61 is fixedly connected to the top of the guide rod 47, and the side surface of the fourth universal clamp 65 is respectively fixedly connected with a buffer block 48 and a pressure sensor 49. The buffer block 48 is made of butyl rubber, and the upper surface of the buffer block 48 is semicircular. The detection end of the pressure sensor 49 passes through the buffer block 48 and extends to one side surface of the buffer block 48. The outer surface of the clamp block 61 is slidably connected to the inner wall of the slide groove of the chuck 3. The pressure sensor 49 is set to realize real-time monitoring of the force value of the clamp assembly 6 on the prism processing part to be polished. When the pressure sensor 49 detects that the force value of the clamp assembly 6 on the prism processing part to be polished reaches a preset value, the controller 7 controls the drive motor 44 to stop working, thereby completing the clamping of the prism processing part to be polished.

[0026] By setting up a clamping device, a stable clamping effect can be achieved for prism processing parts to be polished of different shapes, which has the advantages of improving production efficiency and ensuring the stability and accuracy of the clamping process, and solves the problem that the existing prism centrifugal polishing fixture is prone to displacement or unstable fixation during the process of clamping the prism.

[0027] Working principle: Place the prismatic part to be polished in the placement groove at the center above the chuck 3. The operator controls the drive motor 44 to start through the controller 7. The drive motor 44 rotates forward to drive the worm 5 to mesh with the worm wheel 4. The worm wheel 4 rotates while driving the threaded rod 42 connected to the inner wall of the worm wheel 4 to rotate around the axis of the worm wheel 4. The threaded connection between the threaded rod 42 and the mounting block 45 drives the track plate 8 to rotate clockwise around the axis of the chuck 3, driving the clamping jaw assembly 6 to clamp the prismatic part to be polished. By reversing the drive motor 44, The clamping jaw assembly 6 is driven to release the prism parts to be polished. At the same time, the clamping jaw assembly 6 composed of the first universal jaw 62, the second universal jaw 63 and the third universal jaw 64 can clamp the jaw assemblies 6 of different shapes. The pressure sensor 49 is set to monitor the force applied by the clamping jaw assembly 6 to the prism parts to be polished in real time. When the pressure sensor 49 detects that the force applied by the clamping jaw assembly 6 to the prism parts to be polished reaches a preset value, the controller 7 controls the driving motor 44 to stop working, thereby completing the clamping of the prism parts to be polished.

[0028] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A prism centrifugal polishing fixture, comprising a base (1), characterized in that: The upper surface of the base (1) is fixedly connected to a support column (2), the top of the support column (2) is fixedly connected to a chuck (3), the outer surface of the support column (2) located below the chuck (3) is rotatably sleeved with a track disk (8), a clamping device is arranged above the track disk (8), and the clamping device includes a worm wheel (4), a worm (5) and a clamping jaw assembly (6), the outer surface of the worm wheel (4) is meshed with the outer surface of the worm (5), the clamping jaw assembly (6) is arranged above the chuck (3), and a plurality of the clamping jaw assemblies (6) are distributed in a ring array with the axis of the chuck (3) as the array center, and a controller (7) for controlling the clamping device is fixedly installed on the upper surface of the base (1).

2. The prism centrifugal polishing fixture according to claim 1, characterized in that: The clamping device further comprises a connecting plate (41) fixedly mounted on the outer surface of the clamping disc (3), a threaded rod (42) being rotatably sleeved on the outer surface of the connecting plate (41), and the worm gear (4) is fixedly sleeved on one end of the threaded rod (42).

3. The prism centrifugal polishing fixture according to claim 2, characterized in that: The upper and lower surfaces of the connecting plate (41) are fixedly connected to symmetrically distributed bearing seats (43), and the two ends of the worm (5) are rotatably sleeved with the inner walls of the two bearing seats (43), respectively, and a driving motor (44) is fixedly mounted on the upper surface of one of the bearing seats (43).

4. The prism centrifugal polishing fixture according to claim 3, characterized in that: The output shaft of the driving motor (44) is fixedly connected to one end of the worm (5) via a coupling, a mounting block (45) is fixedly mounted on the upper surface of the track plate (8) via bolts, and the inner wall of the mounting block (45) is threadedly sleeved with the outer surface of the threaded rod (42).

5. The prism centrifugal polishing fixture according to claim 4, characterized in that: The upper surface of the track plate (8) is provided with track grooves (46) distributed in a ring array, and the inner wall of the track groove (46) is slidably sleeved with a guide rod (47).

6. The prism centrifugal polishing fixture according to claim 5, characterized in that: The clamping jaw assembly (6) comprises a clamping block (61), a first universal clamping jaw (62) slidably sleeved on a side surface of the clamping block (61), a second universal clamping jaw (63) slidably sleeved on a side surface of the first universal clamping jaw (62) and symmetrically distributed, a third universal clamping jaw (64) slidably sleeved on a side surface of the second universal clamping jaw (63) and symmetrically distributed, and a fourth universal clamping jaw (65) slidably sleeved on a side surface of the third universal clamping jaw (64) and symmetrically distributed.

7. The prism centrifugal polishing fixture according to claim 6, characterized in that: The lower surface of the clamp block (61) is fixedly connected to the top end of the guide rod (47); a buffer block (48) and a pressure sensor (49) are respectively fixedly connected to one side surface of the fourth universal clamp (65); the upper surface of the buffer block (48) is semicircular; the detection end of the pressure sensor (49) passes through the buffer block (48) and extends to one side surface of the buffer block (48); the outer surface of the clamp block (61) is slidably connected to the inner wall of the slide groove of the chuck (3).

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